{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,19]],"date-time":"2026-03-19T06:26:52Z","timestamp":1773901612903,"version":"3.50.1"},"reference-count":23,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2024,6,11]],"date-time":"2024-06-11T00:00:00Z","timestamp":1718064000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Background: Bimaxillary surgery is an elemental procedure in the field of cranio-maxillofacial surgery. It allows for the correction of even the most challenging cases of maxillomandibular disorders, malocclusion, facial asymmetry, and disproportion. The osteotomies and maneuvers carried out during the procedure result in changes to the surrounding tissues, including the maxillary sinuses (MS). The aim of this study was to assess the change in the maxillary sinus volume and the thickness of the mucosa after maxillomandibular advancement (MMA) surgeries. Methods: A group of 25 patients who underwent MMA surgery were included in the study. Computed tomography (CT) of the head and neck region was performed 2 weeks preoperatively and 6 months postoperatively. Acquired Digital Imaging and Communications in Medicine (DICOM) files were analyzed using different software programs to calculate the medium MS mucosa thickness and MS volume. Results: A statistically significant reduction in MS volume was observed (p = 0.015). The change in the median thickness of the MS mucosa was not statistically significant. The median sella-nasion-A point angle (SNA angle) value of the group increased from 80.2 to 83.4 degrees. A weak negative correlation between the SNA delta and the MS volume delta was observed. Spearman\u2019s rank coefficient: (\u03c1 s = \u22120.381, p = 0.060). Conclusions: The MMA surgery results in a reduction in the MS volume. The amount of forward movement of the maxilla may be correlated with the extent of the MS volume reduction.<\/jats:p>","DOI":"10.3390\/jcm13123425","type":"journal-article","created":{"date-parts":[[2024,6,11]],"date-time":"2024-06-11T12:11:00Z","timestamp":1718107860000},"page":"3425","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Changes in Maxillary Sinus Volume and Mucosal Thickness Post Bimaxillary Advancement Procedures: A Retrospective Study"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0349-9914","authenticated-orcid":false,"given":"Pawe\u0142 Piotr","family":"Grab","sequence":"first","affiliation":[{"name":"Clinical Department of Cranio-Maxillo-Facial Surgery, Military Institute of Medicine\u2014National Research Institute, Szaser\u00f3w 128, 04-141 Warsaw, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Micha\u0142","family":"Sza\u0142wi\u0144ski","sequence":"additional","affiliation":[{"name":"Clinical Department of Cranio-Maxillo-Facial Surgery, Military Institute of Medicine\u2014National Research Institute, Szaser\u00f3w 128, 04-141 Warsaw, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Piotr","family":"Rot","sequence":"additional","affiliation":[{"name":"Clinical Department of Otolaryngology, Military Institute of Medicine\u2014National Research Institute, Szaser\u00f3w 128, 04-141 Warsaw, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aldona","family":"Chloupek","sequence":"additional","affiliation":[{"name":"Clinical Department of Cranio-Maxillo-Facial Surgery, Military Institute of Medicine\u2014National Research Institute, Szaser\u00f3w 128, 04-141 Warsaw, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5105-0687","authenticated-orcid":false,"given":"Maria","family":"Sobol","sequence":"additional","affiliation":[{"name":"Department of Biophysics, Physiology and Pathophysiology, Medical University of Warsaw, 02-091 Warsaw, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dariusz","family":"Jurkiewicz","sequence":"additional","affiliation":[{"name":"Clinical Department of Otolaryngology, Military Institute of Medicine\u2014National Research Institute, Szaser\u00f3w 128, 04-141 Warsaw, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,6,11]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1996","DOI":"10.1016\/j.joms.2021.04.036","article-title":"Orthognathic Surgery: Past\u2014Present\u2014Future","volume":"79","author":"Posnick","year":"2021","journal-title":"J. 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